Albert Barnes' Notes on the Whole Bible - Isaiah 22:22
And the key - A key is that by which a house is locked or opened. To possess that is, therefore, to have free access to it, or control over it. Thus we give possession of a house by giving the “key” into the hands of a purchaser, implying that it is his; that he has free access to it; that he can close it when he pleases, and that no other one, without his permission, has the right of access to it.Of the house of David - Of the house which David built for his royal residence; that is, of the... read more
The Pulpit Commentary - Isaiah 22:22
The symbol of authority. The "key on the shoulder" is no mere badge of the steward's office; it represents delegated authority. Large wooden locks and keys were used in the East, and these keys were heavy enough to need carrying on the shoulder. But the expression is best regarded as a recognized figure of speech. The figure may receive four illustrations. I. THE KEY OF COURT OFFICE . As in case of Eliakim. II. THE KEY OF RABBIS , AS TEACHERS . Remember the... read more